4.7 Article

Tribological and rheological tests of core-shell typed carbonyl iron/polystyrene particle-based magnetorheological fluid

Journal

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 68, Issue -, Pages 342-349

Publisher

ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2018.08.005

Keywords

Magnetorheological; Carbonyl iron; Polystyrene; Friction; Tribology

Funding

  1. Basic Science Research Program of the National Research Foundation of Korea
  2. National Research Foundation of Korea [2018R1A4A1025169]

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Polystyrene (PS) was coated on carbonyl iron (CI) particles via dispersion polymerization to produce core shell structured CI/PS particles and adopted as magnetorheological (MR) material. Two MR fluids were prepared by dispersing Cl/PS and CI particles in silicone oil. Their MR and tribological properties were investigated using a rheometer and a reciprocating friction and wear tester, respectively. Experimental data showed that tribological properties of MR fluid based on Cl/PS particles are significantly enhanced compared to those of CI based MR fluid. Sedimentation problem of CI/PS MR fluid was also expected to be improved due to relatively lower density of Cl/PS particles. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

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